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12th International Conference on Bio-Inspired Computing: Theories and Applications, BIC-TA 2017

作者： Mahalingam, Kalpana Paul, Prithwineel Song, Bosheng Pan, Linqiang Subramanian, K.G. Department of Mathematics Indian Institute of Technology Madras Chennai600036 India Key Laboratory of Image Information Processing Intelligent Control of Education Ministry of China School of Automation Huazhong University of Science and Technology WuhanHubei430074 China School of Electric and Information Engineering Zhengzhou University of Light Industry ZhengzhouHenan450002 China Faculty of Science Liverpool Hope University LiverpoolL16 9JD United Kingdom

ISBN: (纸本)9789811071782

Labelled splicing P systems are distributed parallel computing models, where sets of strings that evolve by splicing rules are labelled. In this work, we consider labelled splicing systems with the following modifications: (i) The strings in the membranes are present in arbitrary number of copies;(ii) the rules in the regions are finite in number. Results on the language family generated by the labelled splicing system in comparison with the language families of the Chomsky hierarchy, including recursively enumerable languages, are obtained, by involving only either one or two membranes in the P systems considered. © Springer Nature Singapore Pte Ltd 2017.

关键词： Distributed computer systems

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A study on the tip tracking control of a single flexible beam

A study on the tip tracking control of a single flexible bea...

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作者： Castillo-Berrio, Claudia F. Engin, Seref N. Feliu-Batlle, Vicente School of Industrial Engineering University of Castilla-La Mancha Spain Yildiz Technical University Faculty of Electrical and Electronics Control and Automation Engineering Department Davutpasa Campus Esenler Istanbul34220 Turkey

This sequential paper aims to present studies on modelling and tip tracking control of a flexible single beam. It first outlines the flexible-beam robotic mechanism that was designed and built to be used for the force and torque sensory information-based modelling and control. It then details the vibration suppression controller strategy that is applied to this robotic system. The controller is designed with respect to a simple lumped model describing the dynamics of the system. Here the dynamics of the closed-loop controlled motor is inverted in order to obtain a system with unity dynamics. Further, the flexible-beam dynamics is input state linearized. Finally, a simple external feedback control, which is based on the measurements of beam deflections using a force and torque sensor, is implemented. The complete experimental setup was positioned by two servo-motors controlled by a proportional-integral-derivative controller for each axis. The proposed controllers allow the flexible beam to move continuously in a precise manner, so that it could be treated as an accurate positioning sensor. Simulation and experimental results provided at the end illustrate that the controllers designed and implemented produce a satisfactory control performance and adequate robustness to model uncertainties and system nonlinearities. © The Author(s) 2015.

关键词： controllers

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Modbus communication behavior modeling and SVM intrusion detection method 16

Modbus communication behavior modeling and SVM intrusion det...

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6th International Conference on Communication and Network Security, ICCNS 2016

作者： Shang, Wenli Cui, Junrong Wan, Ming An, Panfeng Zeng, Peng Shenyang Institute of Automation Chinese Academy of Science China Key Laboratory of Networked Control Systems Chinese Academy of Sciences Shenyang110016 China Faculty of Automation and Electrical Engineering Shenyang Ligong University Shenyang110159 China

ISBN: (纸本)9781450347839

The security and typical attack behavior of Modbus/TCP industrial network communication protocol are analyzed. The data feature of traffic flow is extracted through the operation mode of the depth analysis abnormal behavior, and the intrusion detection method based on the support vector machine (SVM) is designed. The method analyzes the data characteristics of abnormal communication behavior, and constructs the feature input structure and detection system based on SVM algorithm by using the direct behavior feature selection and abnormal behavior pattern feature construction. The experimental results show that the method can effectively improve the detection rate of abnormal behavior, and enhance the safety protection function of industrial network. © 2016 ACM.

关键词： Support vector machines

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Advanced hardware control for seven DOFs robotic arm-neuro arm

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IOP Conference Series: Materials Science and engineering 2018年第1期393卷

作者： B Cvetković V Nešić M Lazarević P Mandić P Marić M Dragović University of Belgrade Faculty of Mechanical Engineering Kraljice Marije 16 11000 Belgrade Serbia IMP-Automation and control Institute of Mihajlo Pupin Volgina 15 Belgrade Serbia Uno-lux processing Poručnika Spasića i Mašere 14 11147 Belgrade Serbia

In this paper we will implement new hardware control for 7 DOFs (Degrees of freedom) advanced robotic arm research platform (NeuroArm) equipped with various sensors. New hardware platform consists of Nano Pi platform which is used as a PC platform for standard PLC (programmable logic controller's) unit and will replace old system that consists of 7 16-bit ATmega processors. The goal of new PLC which is based on Linux operating system (Debian distribution) that is patched by Xenomai real time system for reducing control response time and better entire system control. Robotic arm is powered by 7 DC motors which are controlled by two PWM4 (Pulse Width Modulation) modules. Position data is acquired from 1kΩ resistive sensors using RI8 (Resistive module) module and from optical quadrature encoders using one DI16 (Digital Input) module. Also other modules PWM4, RI8 and DI16 communicate with PikoAtlas CPU module by I2C bus.

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FEM model validation for modular axial flux switched reluctance machine design switched reluctance machine design 11

FEM model validation for modular axial flux switched relucta...

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11th International Conference on Ecological Vehicles and Renewable Energies, EVER 2016

作者： Egea, A. Ugalde, G. Poza, J. Egana, I. De Argadona, I. Ruiz Madariaga, J. De Gorostiza, E. Fernandez Faculty of Engineering University of Mondragon Mondragon Spain Department of Automation and Control IK4-Tekniker Eibar Spain Department of Electronics and Comunications IK4-Tekniker Eibar Spain

ISBN: (纸本)9781509024643

This paper is devoted to the outlines of a research project under a European Union Seventh Framework Programme grant. The Venus European project is working on developing an axial flux electrical machine for an electrical vehicle. Between different possible topologies a switched reluctance topology has been chosen. In order to validate the design tools for this uncommon topology a comparison between 2D and 3D finite element analyse together with a experimental validation has been performed. The results of this comparison is summarized in this paper. © 2016 IEEE.

关键词： Machine design

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LQ control of Lotka-Volterra Systems Based on their Locally Linearized Dynamics

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IFAC-PapersOnLine 2016年第10期49卷 241-245页

作者： Lipták, Görgy Magyar, Attila Hangos, Katalin M. University of Pannonia Faculty of Information Technology Department of Electrical Engineering and Information Systems H-8200 Egyetem street 10 Veszprém Hungary HAS Computers and Automation Research Institute Process Control Research Group H-1111 Kende street 13-17 Budapest Hungary

This work applies the LQ control framework to the class of quasi-polynomial and Lotka-Volterra systems through the linearized version of their nonlinear system model. The primary aim is to globally stabilize the original system with a suboptimal LQ state feedback by means of a well-known entropy-like Lyapunov function that is related to the diagonal stability of linear systems. This aim can only be reached in the case when the quasi-monomial composition matrix is invertible. In the rank-deficient case only the local stabilization of the system is possible with an LQ controller that is designed using the locally linearized model of the closed-loop system model. © 2016

关键词： System stability Biological systems Closed loop systems Linear matrix inequalities Linear systems Linearization Lyapunov functions Nonlinear systems State feedback Closed loop system modeling Composition matrixes Linearized dynamics Local stabilizations Lotka Volterra systems LQ control Lyapunov stability Nonlinear system modeling

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Technology and methods for formation of the complex magnetotherapy impact by the inductor array

Technology and methods for formation of the complex magnetot...

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Mediterranean Conference on Embedded Computing (MECO)

作者： E.M. Grigoryev S.G. Gurzhin V.I. Zhulev M.B. Kaplan V.G. Kryakov E.M. Proshin Faculty of Automation and Information Technologies in control Ryazan state radio engineering university Ryazan Russia

The present paper considers a technology and methods of the complex magnetotherapy impact formation in coordinates intensity-time-space-frequency with rich features of setting and adjustment of a great number of biotropic parameters that allow increasing an efficiency of the treatment due to an ability to adapt impact to individual parameters of the patient and take a disease specific character into consideration. Methods of the matrix organization of the magnetoradiating system, its management and control of separate real parameters of the field are suggested.

关键词： Magnetic separation Electromagnetics Inductors Embedded computing Bars Organisms

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Principles for design of the electromagnetic chronotherapy system by impacts on biologically active points

Principles for design of the electromagnetic chronotherapy s...

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Mediterranean Conference on Embedded Computing (MECO)

作者： S.G. Gurzhin V.I. Zhulev V.G. Kryakov M.G. Kuznetsov E.P. Matyukhin E.M. Proshin Faculty of Automation and Information Technologies in control Ryazan state radio engineering university Ryazan Russia

ISBN: (纸本)9781509022236

The present paper considers principles for design of the electromagnetic chronotherapy system, peculiarities of formation and synthesis of biotropic parameters of electric and magnetic components of impacts on biologically active points. Suggested methods of remote and noise-immune recording of patient's cardiac and respiratory activities during the treatment session for on-line and course diagnostics of the functional state, separation of biorhythms and formation of clock signals to synchronize impacts.

关键词： Electromagnetics Synchronization Medical treatment Magnetic recording Organisms Diseases

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On Robust Stability of Switched Systems in the Context of Filippov Solutions

arXiv

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arXiv 2017年

作者： Ahmadi, Mohamadreza Mojallali, Hamed Wisniewski, Rafael University of Texas at Austin Peter O’Donnell Jr. Building 201 E 24th St AustinTX78712 United States Department of Electrical Engineering Faculty of Engineering University of Guilan Rasht41996-13769 Iran Department of Electronic Systems Automation and Control Aalborg University Fredrik Bajers Vej 7 C Aalborg East9220 Denmark

The stability problem of a class of nonlinear switched systems defined on compact sets with state-dependent switching is considered. Instead of the Carathéodory solutions, the general Filippov solutions are studied. This encapsulates solutions with infinite switching in finite time and sliding modes in the neighborhood of the switching surfaces. In this regard, a Lyapunov-like stability theorem, based on the theory of differential inclusions, is formulated. Additionally, the results are extended to switched systems with simplical uncertainty. It is also demonstrated that, for the special case of polynomial switched systems defined on semi-algebraic sets, stability analysis can be checked based on sum of squares programming techniques. Copyright © 2017, The Authors. All rights reserved.

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Thermal design of a magnet-free axial-flux switch reluctance motor for automotive applications 11

Thermal design of a magnet-free axial-flux switch reluctance...

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11th International Conference on Ecological Vehicles and Renewable Energies, EVER 2016

作者： Chong, Yew Chuan Staton, Dave Egana, Imanol De Argandona, Ismael Ruiz Egea, Aritz Motor Design Ltd. EllesmereSY12 0EG United Kingdom IK4-Tekniker Department of Automation and Control Eibar Spain Faculty of Engineering University of Mondragon Mondragon Spain

ISBN: (纸本)9781509024643

With the requirement to develop magnet-free motors for automotive application, more design effort is needed for thermal design as the machine temperature limits the motor performance. Thermal design procedure of automotive motor has to fully exploit the modern approaches in electrical machine thermal analysis in terms of accuracy and solving time. This paper proposes a computational-cost-effective way to obtain the optimum thermal design of an axial-flux switched reluctance motor by means of lumped circuit methods with some inputs from Computational Fluid Dynamic simulations. © 2016 IEEE.

关键词： Thermoanalysis

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